Home / 40,675.52-60,990.94-12,587.76

Finding the Fourth Proportional to 40,675.52, 60,990.94 and 12,587.76

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Solution

The fourth proportional to 40,675.52, 60,990.94 and 12,587.76 is: 18,874.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,675.52 : 60,990.94 = 12,587.76 : x
  2. Step 2: Convert to fraction form
    40,675.52/60,990.94 = 12,587.76/x
  3. Step 3: Cross multiply
    40,675.52x = 60,990.94 × 12,587.76
  4. Step 4: Simplify right side
    40,675.52x = 767,739,314.89
  5. Step 5: Solve for x
    x = 767,739,314.89/40,675.52
  6. Step 6: Final answer
    x = 18,874.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.